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$414+ Cheap flights from Ireland to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Ireland to San Diego

Keep the following information in mind while searching for Ireland to San Diego flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$576
(SmartFares)

One-way from

$414
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$730
Provider with most accurate pricing for Dublin-San Diego flight deals.
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Provider most trusted by Cheapflights users for Dublin-San Diego flights.
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From Ireland to San Diego
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One-way flight from Ireland to San Diego
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Highest demand for flights based on searches. 14% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ireland to San Diego

Cheapest flights from Ireland to San Diego
Explore the most affordable flight options available from Ireland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This SmartFares deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:05 pmDUB - SAN
2 stops36h 39mMultiple Airlines
Mon 4/710:39 pmSAN - DUB
2 stops29h 11mMultiple Airlines
Deal found 2/20$576
This Booking.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/288:40 amDUB - SAN
1 stop15h 25mBritish Airways
Sun 3/167:10 pmSAN - DUB
1 stop14h 40mBritish Airways
Deal found 2/20$692
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/412:40 pmDUB - SAN
1 stop19h 16mAmerican Airlines
Sun 5/117:50 pmSAN - DUB
1 stop15h 45mAmerican Airlines
Deal found 2/20$710
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2612:30 pmDUB - SAN
2 stops42h 21mScandinavian Airlines
Wed 3/57:10 amSAN - DUB
2 stops20h 30mScandinavian Airlines
Deal found 2/19$718
This Iberia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/89:30 amDUB - SAN
1 stop20h 37mIberia
Tue 4/158:25 amSAN - DUB
1 stop17h 20mIberia
Deal found 2/20$720
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/59:00 amDUB - SAN
3 stops23h 14mUnited Airlines
Wed 3/128:47 amSAN - DUB
2 stops18h 18mUnited Airlines
Deal found 2/19$733
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amDUB - SAN
2 stops18h 06mDelta
Mon 1/127:00 amSAN - DUB
2 stops24h 40mDelta
Deal found 2/20$741
This JetBlue deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3111:45 amDUB - SAN
1 stop15h 30mJetBlue
Tue 6/310:20 amSAN - DUB
1 stop14h 00mJetBlue
Deal found 2/20$782
This Gotogate deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/85:55 amDUB - SAN
2 stops19h 56mLufthansa
Tue 4/155:15 pmSAN - DUB
1 stop15h 40mLufthansa
Deal found 2/20$795
This Lufthansa deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/812:30 pmSNN - SAN
2 stops19h 48mMultiple Airlines
Tue 4/158:15 amSAN - SNN
1 stop18h 00mMultiple Airlines
Deal found 2/20$797
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/812:30 pmSNN - SAN
2 stops16h 35mUnited Airlines
Tue 4/157:45 amSAN - SNN
2 stops18h 30mUnited Airlines
Deal found 2/20$803
This SWISS deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2712:55 pmDUB - SAN
2 stops41h 35mSWISS
Thu 3/61:21 pmSAN - DUB
2 stops38h 44mSWISS
Deal found 2/20$817

Find flights from Ireland to San Diego within your budget

Customize your flight search to find flights from Ireland to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Ireland

Fly to

San Diego

Route

Depart

Return

Price

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 4/1

7:05 pm-11:44 pm

2 stops36h 39m

San Diego

Mon 4/7

10:39 pm-11:50 am

2 stops29h 11m

$576

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 3/5

8:40 am-4:05 pm

1 stop15h 25m

San Diego

Wed 3/12

7:10 pm-5:00 pm

1 stop14h 50m

$697

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sun 5/4

12:40 pm-11:56 pm

1 stop19h 16m

San Diego

Sun 5/11

7:50 pm-7:35 pm

1 stop15h 45m

$710

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 4/8

9:30 am-10:07 pm

1 stop20h 37m

San Diego

Tue 4/15

8:25 am-9:45 am

1 stop17h 20m

$720

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Wed 3/5

9:00 am-12:14 am

3 stops23h 14m

San Diego

Wed 3/12

8:47 am-10:05 am

2 stops18h 18m

$733

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Thu 5/29

5:55 am-12:00 pm

1 stop14h 05m

San Diego

Wed 6/4

3:21 pm-3:00 pm

2 stops15h 39m

$761

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Sat 5/31

11:45 am-7:15 pm

1 stop15h 30m

San Diego

Tue 6/3

10:20 am-8:20 am

1 stop14h 00m

$782

DublinSan Diego

DUB - SAN

DUBSAN

Dublin

Tue 4/8

5:55 am-5:51 pm

2 stops19h 56m

San Diego

Tue 4/15

5:15 pm-4:55 pm

1 stop15h 40m

$795

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 4/8

12:30 pm-12:18 am

2 stops19h 48m

San Diego

Tue 4/15

8:15 am-10:15 am

1 stop18h 00m

$797

ShannonSan Diego

SNN - SAN

SNNSAN

Shannon

Tue 4/8

12:30 pm-9:05 pm

2 stops16h 35m

San Diego

Tue 4/15

7:45 am-10:15 am

2 stops18h 30m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Ireland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ireland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ireland to San Diego

Get recent, data-driven insights about flights from Ireland to San Diego including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to San Diego?

Currently, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated February 20, 2025.
To help decide which airline to fly from Ireland to San Diego, see what other customers have to say about Delta, KLM and Air France. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue
7.4
Good
3,070 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Ireland?

    For a flight from Ireland to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

  • What are the cheapest airlines to fly from Ireland to San Diego one-way?

    The cheapest airlines for a one-way flight from Ireland to San Diego are WestJet ($491), Aer Lingus ($616), and United Airlines ($1,064).

  • What are the most popular routes from Ireland to San Diego?

    The most popular route from Ireland to San Diego is Dublin - San Diego. You may also consider Shannon - San Diego or Cork - San Diego.

  • Can I find deals for flights from Ireland to San Diego that include hotel bookings?

    Yes. In addition to deals on Ireland to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to San Diego.

  • Can I find deals for business class flights from Ireland to San Diego?

    Yes. Cheapflights offers flight deals from Ireland to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Ireland to San Diego (average of $286). Flying from Ireland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for Ireland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ireland to San Diego

Discover the top 3 airlines that operate flights from Ireland to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$691Average$808FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$726Average$789FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$801Average$841FlexibilityNo cancel feeOn-time71%
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